Welcome back to our series on properly diagnosing mechanical problems rather than blindly chucking money at replacement parts hoping to stumble on a fix. Granted, a cracked exhaust manifold doesn’t ...

The little TBI four-cylinder in Hazel's '89 YJ has always ticked a bit from under the hood. Unlike the later 4.0L engines, the little TBI-injected 2.5L has a sturdier cast iron manifold. Although its ...

Q: I have a 1997 Ford F-350 pickup with a 351 engine. One problem I have is I have replaced both exhaust manifolds four times — once on the driver’s side and three times on the passenger side — and ...

Not long ago, a friend asked about a ticking noise coming from his engine. Sarcastically, we said that it was probably the valve lifters and that such things wouldn’t happen if he had changed his oil ...